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Science News Archive 2014 - Page 29


Page 29 of 376

Golden Ratio offers a unity of science

Researchers Jan Boeyens and Francis Thackeray found a connection between the Golden Ratio, space-time, and a biological species constant. The study suggests that concepts associated with relativity and quantum mechanics can be integrated through the number 1.618.

SourceUniversity of the Witwatersrand·JournalSouth African Journal of Science·DateNov 27, 2014

Another human footprint in the ocean

A recent study revealed a significant increase in anthropogenic nitrate levels in the North Pacific Ocean over the past 30 years, primarily due to enhanced atmospheric deposition. This shift in nutrient availability may favor certain marine organisms and alter the base of the marine food web.

SourceUniversity of Hawaii at Manoa·JournalScience·DateNov 27, 2014

A numbers game: Math helps to predict how the body fights disease

Researchers used mathematical models to predict immune response size based on T cell signaling, providing insights into manipulating immune responses for cancer treatment. The study also shed light on how 'errors' in immune response contribute to autoimmune disease.

SourceWalter and Eliza Hall Institute·JournalScience·DateNov 27, 2014
Apple iPhone 17 Pro

Apple iPhone 17 Pro delivers top performance and advanced cameras for field documentation, data collection, and secure research communications.

Uterine contractions increase the success of artificial insemination

A new study has discovered that uterine contractions during artificial insemination procedures can increase the chances of pregnancy. The research found a positive correlation between the number of uterine contractions and the rate of clinical pregnancy, as well as live births following artificial insemination.

SourceSpanish Foundation for Science and Technology·JournalFertility and Sterility·DateNov 27, 2014

Unraveling the complexity of proteins

Researchers successfully analyzed all known complete proteomes using X-ray crystallography and homology modeling, covering 25% of protein clusters. The study highlights the potential for knowledge-based target selection to increase structural model production, particularly in eukaryotes and archaea.

SourceInternational Union of Crystallography·DateNov 27, 2014
Sony Alpha a7 IV (Body Only)

Sony Alpha a7 IV (Body Only) delivers reliable low-light performance and rugged build for astrophotography, lab documentation, and field expeditions.

Athletes perform better when exposed to subliminal visual cues

Research by University of Kent's Professor Samuele Marcora found that athletes performing better when exposed to subliminal visual cues, such as action-related words and happy faces. This study confirms the perception of effort can be altered during exercise, leading to improved endurance capacity.

SourceUniversity of Kent·JournalFrontiers in Human Neuroscience·DateNov 27, 2014

Social media data contain pitfalls for understanding human behavior

Academic researchers are mining social media data to learn about online and offline human behavior, but flaws in studies point to need for more aware analysis methods. The study highlights issues such as user demographics, data filtering, platform design, spam bots, and biased results.

SourceMcGill University·JournalScience·DateNov 27, 2014

Revolutionizing genome engineering

The CRISPR-Cas9 system has revolutionized genome engineering by providing a precise and efficient method for making site-specific changes to the genome. Its applications extend from developing new therapies for genetic disorders to changing the pace of agricultural research.

SourceHelmholtz Centre for Infection Research·JournalScience·DateNov 27, 2014

Long-term complication rate low in nose job using patient's own rib cartilage

Using a patient's own rib cartilage for rhinoplasty has been associated with low rates of long-term complications and problems at the rib site. The study found that warping and hypertrophic chest scarring had relatively high complication rates, highlighting the need for surgeons to take extra precautions to reduce these issues.

SourceJAMA Network·JournalJAMA Facial Plastic Surgery·DateNov 27, 2014
Celestron NexStar 8SE Computerized Telescope

Celestron NexStar 8SE Computerized Telescope combines portable Schmidt-Cassegrain optics with GoTo pointing for outreach nights and field campaigns.

Ancient algae provides clues of climate impact on today's microscopic ocean organisms

A recent study by University of Southampton researchers found that ancient marine algae, such as coccolithophores, experienced reduced growth and skeletal structure changes in response to climate warming and ocean acidification during the Paleocene Eocene Thermal Maximum (PETM). The research provides a long-term perspective on the impa...

SourceUniversity of Southampton·JournalNature Communications·DateNov 27, 2014

New electrolyte for the construction of magnesium-sulfur batteries

A new electrolyte has been created that can be used in magnesium-sulfur battery cells, offering improved electrochemical stability and high efficiency. The electrolyte is also simple to produce and compatible with a sulfur cathode, making it an attractive alternative to traditional lithium-ion batteries.

SourceKarlsruher Institut für Technologie (KIT)·JournalAdvanced Energy Materials·DateNov 27, 2014

Fragile X study offers hope of new autism treatment

Researchers identify chemical pathway disrupting behaviour in Fragile X patients and find potential treatment using cancer drug cercosporamide. The drug blocks the pathway, improving sociability in mice with the condition.

SourceUniversity of Edinburgh·JournalCell Reports·DateNov 27, 2014

Secret of tetanus toxicity offers new way to treat motor neuron disease

UCL scientists have discovered a new pathway to deliver therapies to the nervous system, offering a potential treatment for tetanus and neurological disorders such as motor neuron disease. By blocking the entry of tetanus neurotoxin into nerve cells, researchers hope to develop targeted treatments with fewer side effects.

SourceUniversity College London·JournalScience·DateNov 27, 2014
Garmin GPSMAP 67i with inReach

Garmin GPSMAP 67i with inReach provides rugged GNSS navigation, satellite messaging, and SOS for backcountry geology and climate field teams.

Education is key to climate adaptation

A new study by IIASA researchers highlights the importance of education in reducing disaster fatalities and enhancing adaptive capacity. Education plays a crucial role in improving knowledge, risk perception, socioeconomic status, and social capital, making it a vital investment for climate change adaptation efforts.

SourceInternational Institute for Applied Systems Analysis·JournalScience·DateNov 27, 2014

Scanning tunneling microscopy: Computer simulations sharpen insights into molecules

Scientists from Forschungszentrum Jülich and the Academy of Sciences of the Czech Republic used computer simulations to gain deeper insights into scanning tunneling microscopy. The results show excellent agreement between experimental results and simulations, enabling the analysis of images with unprecedented accuracy.

SourceForschungszentrum Juelich·JournalPhysical Review Letters·DateNov 27, 2014
SAMSUNG T9 Portable SSD 2TB

SAMSUNG T9 Portable SSD 2TB transfers large imagery and model outputs quickly between field laptops, lab workstations, and secure archives.

Scientists develop drug to reduce side-effects of 'binge drinking'

A new compound, ethane-beta-sultam, has been developed to reduce brain cell loss and inflammation caused by binge drinking. This breakthrough could lead to a treatment for Alzheimer's and other neurological diseases that damage the brain.

SourceUniversity of Huddersfield·JournalJournal of Alcoholism and Drug Dependence·DateNov 27, 2014

Stroke damage mechanism identified

A team of researchers discovered a mechanism linked to brain damage after stroke and found that removing it reduces damage. They identified an ion channel called TRPM2, which opens in the presence of reactive oxygen species, causing neuronal cell damage.

SourceUniversity of Leeds·JournalCell Death and Disease·DateNov 27, 2014

Mindfulness treatment as effective as CBT for depression and anxiety

A recent study by Lund University found that group mindfulness treatment is as effective as individual cognitive behavioral therapy (CBT) in treating depression and anxiety. The study included 215 patients and showed significant reductions in symptoms of both conditions, regardless of the treatment approach.

SourceLund University·JournalThe British Journal of Psychiatry·DateNov 27, 2014

Amazonian shrimps: An underwater world still unknown

Researchers uncovered a third unknown species of freshwater shrimp, similar to Palaemon ivonicus, with genetic data revealing divergent lineages about 10 million years ago. This study highlights the importance of molecular tools for discovering new species in complex environments like Amazonia.

SourcePensoft Publishers·JournalZooKeys·DateNov 26, 2014
GoPro HERO13 Black

GoPro HERO13 Black records stabilized 5.3K video for instrument deployments, field notes, and outreach, even in harsh weather and underwater conditions.

Human antibodies produced in DNA-vaccinated cows protect in lethal models of hantavirus

Scientists have developed protective human antibodies using DNA-vaccinated cows, which showed potent neutralizing activity against two types of hantaviruses. The antibodies protected hamsters from lethal disease caused by these viruses, with seven out of eight treated animals surviving without symptoms.

SourceUS Army Medical Research Institute of Infectious Diseases·JournalScience Translational Medicine·DateNov 26, 2014

Matched 'hybrid' systems may hold key to wider use of renewable energy

Researchers say that improved storage technologies and hybrid systems could address the variable nature of alternative energy, making them more cost-effective and efficient. Advanced energy storage and smart-grid connections are being explored to match different forms of renewable energy and provide a consistent power supply.

SourceOregon State University·JournalThe Electricity Journal·DateNov 26, 2014

Study unlocks basis of key immune protein's two-faced role

A Brigham and Women's Hospital-led team identified a critical TIM-3 partner, CEACAM-1, which determines the protein's behavior. The findings suggest that blocking both CEACAM-1 and TIM-3 could enhance anti-tumor responses in cancer and improve treatments for diseases like HIV.

SourceBrigham and Women's Hospital·JournalNature·DateNov 26, 2014

Two studies identify a detectable, pre-cancerous state in the blood

Two studies found a subset of somatic mutations in DNA samples from healthy individuals that significantly increase the risk of developing blood cancers. The 'pre-malignant' state becomes more common with age and can be detected by sequencing DNA from blood.

SourceBroad Institute of MIT and Harvard·JournalNew England Journal of Medicine·DateNov 26, 2014

Using supermassive black holes to measure cosmic distances

Using supermassive black holes to measure cosmic distances provides precise distance measurements, removing uncertainty in calculating their mass. The new method shows that supermassive black holes are 40% heavier than previously estimated, fundamentally changing determinations of black hole masses.

SourceUniversity of Copenhagen - Niels Bohr Institute·JournalNature·DateNov 26, 2014
GQ GMC-500Plus Geiger Counter

GQ GMC-500Plus Geiger Counter logs beta, gamma, and X-ray levels for environmental monitoring, training labs, and safety demonstrations.

Protons fuel graphene prospects

Researchers discovered that protons pass through ultra-thin graphene crystals surprisingly easily, making them attractive for proton-conducting membranes. This breakthrough could improve the efficiency and durability of fuel cells, which use oxygen and hydrogen to convert chemical energy into electricity.

SourceUniversity of Manchester·JournalNature·DateNov 26, 2014

Trial shows new imaging system may cut X-ray exposure for liver cancer patients

A new imaging system has shown potential to reduce radiation exposure for patients undergoing intra-arterial therapy (IAT) for liver cancer, with a reduction of up to 80%, compared to standard X-ray platforms. The AlluraClarity platform uses real-time image processing algorithms to achieve high-quality images at lower radiation power.

SourceJohns Hopkins Medicine·DateNov 26, 2014

Modeling the past to understand the future of a stronger El Nino

A team of researchers used state-of-the-art computer models to examine the influence of atmospheric carbon dioxide, ice sheet melting and changes in Earth's orbit on El Nino over the last 21,000 years. The study found that El Nino has intensified over the past 6,000 years, with feedbacks between ocean and atmosphere growing stronger.

SourceUniversity of Wisconsin-Madison·JournalNature·DateNov 26, 2014
Creality K1 Max 3D Printer

Creality K1 Max 3D Printer rapidly prototypes brackets, adapters, and fixtures for instruments and classroom demonstrations at large build volume.

Copper on the brain at rest

Researchers at Berkeley Lab found that proper copper levels modulate spontaneous neural activity in developing circuits, which is critical for brain health and development. The study highlights the importance of managing copper levels to prevent misregulation of signaling in cell-to-cell communications.

SourceDOE/Lawrence Berkeley National Laboratory·JournalProceedings of the National Academy of Sciences·DateNov 26, 2014

Study reveals significantly increased risk of stillbirth in males

A large-scale study led by the University of Exeter has found that boys are more likely to be stillborn than girls, with a risk increase of about ten percent. The study reviewed over 30 million births globally and found this disparity results in approximately 100,000 additional male babies lost per year.

SourceUniversity of Exeter·JournalBMC Medicine·DateNov 26, 2014

NIAID/GSK experimental Ebola vaccine appears safe, prompts immune response

The NIAID/GSK Ebola vaccine candidate was well-tolerated and produced immune system responses in all 20 healthy adults who received it. The vaccine induced a T-cell response, including CD8 T cells, which may play an important role in immune protection against Ebola viruses.

SourceNIH/National Institute of Allergy and Infectious Diseases·JournalNew England Journal of Medicine·DateNov 26, 2014
AmScope B120C-5M Compound Microscope

AmScope B120C-5M Compound Microscope supports teaching labs and QA checks with LED illumination, mechanical stage, and included 5MP camera.

'Giant' charge density disturbances discovered in nanomaterials

Scientists in Jülich have discovered a combination of materials that strengthens Friedel oscillations and bundles them in different directions, creating 'giant anisotropic charge density oscillations'. These oscillations can be used to enhance nanoelectronic components and filter magnetic information.

SourceForschungszentrum Juelich·JournalNature Communications·DateNov 26, 2014

Hydrothermal settlers

A study by Okinawa Institute of Science and Technology Graduate University researcher Yuichi Nakajima identified genetic data that suggest the diversity and differentiation of deep-sea barnacle populations in two troughs near Okinawa and the Mariana Islands. The findings have implications for understanding climate change impacts on oce...

SourceOkinawa Institute of Science and Technology (OIST) Graduate University·JournalInternational Journal of Molecular Sciences·DateNov 26, 2014

Toolkit for ocean health

The future ocean will be warmer, with reduced ice extent, higher sea levels, more acidic, and lower oxygen levels. Research must focus on understanding marine systems' responses to cumulative pressures.

SourceFrontiers·JournalFrontiers in Marine Science·DateNov 26, 2014
Davis Instruments Vantage Pro2 Weather Station

Davis Instruments Vantage Pro2 Weather Station offers research-grade local weather data for networked stations, campuses, and community observatories.

Researchers identify a natural shield against harmful radiation belt

Researchers found that Earth's 'plasmaspheric hiss' protects against a harmful radiation belt, deflecting high-energy electrons with an impenetrable barrier of about 11,000 kilometers. This natural shield could extend lifetimes for satellites and space stations orbiting near the Earth's surface.

SourceMassachusetts Institute of Technology·JournalNature·DateNov 26, 2014

With age, we lose our visual learning filter

Researchers found that older individuals take in more irrelevant visual information due to a decline in filtering out non-task relevant details. This suggests a failure of attentional systems to suppress task-irrelevant signals.

SourceCell Press·JournalCurrent Biology·DateNov 26, 2014
Apple MacBook Pro 14-inch (M4 Pro)

Apple MacBook Pro 14-inch (M4 Pro) powers local ML workloads, large datasets, and multi-display analysis for field and lab teams.

The mysterious 'action at a distance' between liquid containers

Researchers from the Institute of Physical Chemistry of the Polish Academy of Sciences developed a theory describing the phenomenon of mysterious communication between fluid reservoirs. The new model suggests that the effect can occur in classical one-component fluids and mixtures, not requiring quantum physics.

SourceInstitute of Physical Chemistry of the Polish Academy of Sciences·JournalPhysical Review Letters·DateNov 26, 2014

Nervous system may play bigger role in infections than previously known

Researchers are deciphering the 'neural code' of information being sent by neurons to the central nervous system (CNS) to diagnose and treat infections and autoimmune diseases. This could enable timely diagnoses and interventions, reducing mortality rates and complications.

SourceSt. Michael's Hospital·JournalNew England Journal of Medicine·DateNov 26, 2014

Hacked emails slice spam fast

Research by Ghita Mezzour and Kathleen Carley found that hacked emails tend to send spam more aggressively, reaching a larger audience faster. This is because malware-infected accounts generate spam automatically, whereas human-propagated spam is often done manually.

SourceInderscience Publishers·JournalInternational Journal of Security and Networks·DateNov 26, 2014
DJI Air 3 (RC-N2)

DJI Air 3 (RC-N2) captures 4K mapping passes and environmental surveys with dual cameras, long flight time, and omnidirectional obstacle sensing.

Study: Most people with dementia never have screening

A new study published in Neurology suggests that approximately 1.8 million Americans over the age of 70 with dementia have never had an evaluation of their cognitive abilities. Early evaluation and identification can help families make plans for care, improve quality of life.

SourceAmerican Academy of Neurology·JournalNeurology·DateNov 26, 2014

The unbelievable underworld and its impact on us all

A new study reveals the vast diversity of life below-ground, with rapid responses to climate change having far-reaching impacts on future ecosystems. The research suggests that healthy soil is essential for healthy crops, and that integrating knowledge of soil biodiversity into land management decisions could help mitigate climate change.

SourceUniversity of Manchester·JournalNature·DateNov 26, 2014

Protecting the rainforest through agriculture and forestry

Researchers found afforestation and intense pasturing to be effective ways to increase environmental and economic value of abandoned farmlands. Afforestation with native Andean alder had a positive impact on climate and water balance, while intense pasturing scored higher on ecological scale.

SourceTechnical University of Munich (TUM)·JournalNature Communications·DateNov 26, 2014
Sky-Watcher EQ6-R Pro Equatorial Mount

Sky-Watcher EQ6-R Pro Equatorial Mount provides precise tracking capacity for deep-sky imaging rigs during long astrophotography sessions.

Minimally invasive disc surgery is a pain in the neck

Researchers found that minimally invasive disc surgery does not support the routine use of the procedure, as it does not improve long-term outcomes. The study suggests that conventional open discectomy surgery often provides better results for carefully selected patients.

SourceMcMaster University·JournalCMAJ Open·DateNov 26, 2014

DNA survives critical entry into Earth's atmosphere

Researchers from the University of Zurich successfully tested DNA's ability to survive extreme conditions, including space travel and re-entry. The study found that DNA molecules were still able to transfer genetic information to bacterial cells after being launched into space and back.

SourceUniversity of Zurich·JournalPLOS ONE·DateNov 26, 2014